Learn how to use iCloud Drive on iCloud.com on a phone or tablet
See any of the following:
iCloud.com User Guide for iPhone: Use iCloud Drive on iCloud.com
iCloud.com User Guide for iPad: Use iCloud Drive on iCloud.com
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Link to original content: https://support.apple.com/en-bh/guide/icloud/aside/mma64adb6f1c/1.0/icloud/1.0